Nursing Elites

1. A client is diagnosed with hyperthyroidism. The nurse anticipates which of the following medications to be ordered?

• A. Levothyroxine
• B. Propylthiouracil
• C. Lithium
• D. Metoprolol

Correct answer: B

Rationale: The correct answer is B: Propylthiouracil. Propylthiouracil is an antithyroid medication used to manage hyperthyroidism by inhibiting the synthesis of thyroid hormones. Levothyroxine (Choice A) is typically used to treat hypothyroidism, the opposite of hyperthyroidism. Lithium (Choice C) is not used to treat hyperthyroidism but is commonly used to manage bipolar disorder. Metoprolol (Choice D) is a beta-blocker that may be used to manage symptoms like tachycardia associated with hyperthyroidism, but it is not the primary treatment for the condition.

2. What is the mechanism of action of corticotropin (Acthar) when prescribed as replacement therapy for a male client who has undergone surgical removal of a pituitary tumor?

• A. It decreases cyclic adenosine monophosphate (cAMP) production and affects the metabolic rate of target organs.
• B. It interacts with plasma membrane receptors to inhibit enzymatic actions.
• C. It interacts with plasma membrane receptors to produce enzymatic actions that affect protein, fat, and carbohydrate metabolism.
• D. It regulates the threshold for water reabsorption in the kidneys.

Correct answer: C

Rationale: Corticotropin (ACTH) stimulates the adrenal cortex to secrete cortisol and other hormones, affecting protein, fat, and carbohydrate metabolism. Choice A is incorrect because corticotropin does not decrease cAMP production; instead, it stimulates enzymatic actions. Choice B is incorrect because corticotropin does not inhibit enzymatic actions but rather produces enzymatic actions. Choice D is incorrect because corticotropin's mechanism of action does not involve regulating the threshold for water reabsorption in the kidneys.

3. A client with hyperaldosteronism is at risk for which of the following electrolyte imbalances?

• A. Hyperkalemia
• B. Hyponatremia
• C. Hypokalemia
• D. Hypercalcemia

Correct answer: C

Rationale: In hyperaldosteronism, there is an excessive secretion of aldosterone, a hormone that promotes potassium excretion in the kidneys. This leads to low potassium levels in the blood, known as hypokalemia. Therefore, the correct answer is hypokalemia (Choice C). Hyperkalemia (Choice A) is the opposite condition, where there is high potassium levels in the blood and is not typically associated with hyperaldosteronism. Hyponatremia (Choice B) is a low sodium level, which is not directly related to aldosterone function. Hypercalcemia (Choice D) is an elevated calcium level and is not typically a direct result of hyperaldosteronism.

4. The client with DM is being taught about the signs of hyperglycemia. Which symptom should the nurse include?

• A. Excessive thirst
• B. Sweating
• C. Shaking
• D. Hunger

Correct answer: A

Rationale: Excessive thirst, also known as polydipsia, is a hallmark symptom of hyperglycemia. When blood glucose levels are high, the body tries to eliminate the excess glucose through urine, leading to increased urination and subsequent thirst. Sweating, shaking, and hunger are more commonly associated with hypoglycemia, not hyperglycemia. Sweating can occur when blood sugar levels drop too low, shaking is a sign of hypoglycemia, and hunger is often a result of low blood sugar levels triggering the body to seek fuel.

5. An external insulin pump is prescribed for a client with DM. The client asks the nurse about the functioning of the pump. The nurse bases the response on the information that the pump:

• A. Gives small continuous doses of regular insulin subcutaneously, and the client can self-administer a bolus with an additional dosage from the pump before each meal.
• B. Is timed to release programmed doses of regular or NPH insulin into the bloodstream at specific intervals.
• C. Is surgically attached to the pancreas and infuses regular insulin into the pancreas, which in turn releases the insulin into the bloodstream.
• D. Continuously infuses small amounts of NPH insulin into the bloodstream while regularly monitoring blood glucose levels.

Correct answer: A

Rationale: The correct answer is A. An external insulin pump delivers small continuous doses of regular insulin subcutaneously throughout the day to meet the basal insulin needs. The client can also self-administer a bolus dose with an additional dosage from the pump before each meal to cover the mealtime insulin needs. Option B is incorrect as insulin pumps do not typically release programmed doses of insulin into the bloodstream at specific intervals; instead, they infuse insulin subcutaneously. Option C is incorrect as insulin pumps are not surgically attached to the pancreas; they are worn externally. Option D is incorrect as NPH insulin is not commonly used in insulin pumps, and the pumps do not continuously infuse insulin directly into the bloodstream but rather subcutaneously.

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